Philippine Science and Technology Abstracts
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Philippine Science And Technology Abstracts - July-December 2015

Philippine Science and Technology Abstracts - July-December 2015 ...

Philippine Science And Technology Abstracts - January-June 2015

Philippine Science and Technology Abstracts - January-June 2015 ...

Philippine Science And Technology Abstracts - July-December 2014

Philippine Science and Technology Abstracts - July-December 2014 ...

Philippine Science And Technology Abstracts - January-June 2014

Philippine Science and Technology Abstracts - January-June 2014 ...

Philippine Science And Technology Abstracts - July-December 2013

Philippine Science and Technology Abstracts - July-December 2013 ...

Philippine Science And Technology Abstracts - January-June 2013

Philippine Science and Technology Abstracts - January-June 2013 ...

Philippine Science And Technology Abstracts - July-December 2012

Philippine Science and Technology Abstracts - July-December 2012 ...

Philippine Science And Technology Abstracts - January-June 2012

Philippine Science and Technology Abstracts - January-June 2012 ...
S & T Trivia

" Roberto del Rosario invented the piano tuner's guide, the piano keyboard stressing device, the voice color tape, and the one-man- band (OMB). The OMB was later developed as the Sing-Along-System (SAS) to aid his voice students. His first model came out in the 1970s, and was copied by the Japanese who named their device the karaoke. The July 24, 1999 Philippine Daily Inquirer reported that Del Rosario filed a suit and was consequently awarded sole authority over karaoke's Philippine production. "

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